All-weather monitoring device for chemical plant

By designing an all-weather monitoring device for chemical plants with deployable shields and coverings, the problem of sensors being susceptible to severe weather was solved, achieving stable all-weather monitoring and extending service life.

CN224136650UActive Publication Date: 2026-04-17SHANGHAI SEP ANALYTICAL SERVICES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI SEP ANALYTICAL SERVICES CO LTD
Filing Date
2025-05-27
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The sensors in existing chemical plant monitoring devices are susceptible to severe weather, and fixed sensors cannot fully cover dynamically changing hazards, resulting in poor monitoring performance.

Method used

A 24/7 monitoring device for a chemical plant was designed. It features a stainless steel casing and is equipped with an expandable shield and cover. The shield is opened and closed by a drive assembly and an electric push rod, ensuring that the sensor is protected when not in operation, monitors when expanded, and is protected from sunlight and rain/snow by the cover.

Benefits of technology

This enabled the sensor to operate stably under all-weather conditions, extended the service life of the device, and improved the efficiency and coverage of environmental monitoring in chemical plants.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of chemical industry safety, and discloses a chemical plant all-weather monitoring device which comprises a stainless steel shell, shielding plates are arranged on the two sides of the top of the stainless steel shell, movable rods are rotationally connected to the two sides of each shielding plate, and the bottom ends of the movable rods are rotationally connected to the side walls of the stainless steel shell. And gears are fixedly connected to the sides, away from the stainless steel shell, of the bottoms of the two movable rods, a driving assembly is arranged between the two gears, a containing cavity is formed in one shielding plate, and a reel is rotationally connected into the containing cavity. According to the utility model, along with the opening of the shielding plate, the shielding cloth accommodated in the accommodating cavity is opened, so that the shielding cloth can effectively intercept the influence of direct sunlight and rain and snow weather on the sensor, thereby ensuring that the device can stably operate for a long time and efficiently execute the working effect of all-weather monitoring of a chemical plant.
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Description

Technical Field

[0001] This utility model relates to the field of safety in the chemical industry, and in particular to an all-weather monitoring device for chemical plants. Background Technology

[0002] In chemical production processes, due to the involvement of large quantities of flammable, explosive, toxic, and hazardous substances, the safety monitoring of the production environment is crucial. Currently, the chemical industry generally employs a combination of manual inspections and fixed sensors for safety monitoring. Manual inspections suffer from poor timeliness, high costs, and limited coverage; while fixed sensors can achieve continuous monitoring, their fixed installation locations limit their ability to comprehensively cover dynamically changing hazards. In recent years, with the development of Internet of Things (IoT) technology, wireless sensor networks have been increasingly applied in the field of chemical monitoring.

[0003] Currently, when integrated sensor detection terminals are used for environmental monitoring in chemical plants, the embedded structure of the sensors means that they are constantly exposed to the air. Due to the lack of effective protection measures, the sensor structure is easily affected by rain and snow. At the same time, prolonged exposure to the air and direct sunlight will also accelerate the aging of the sensor's external structure, leading to a decrease in its performance. Therefore, an all-weather monitoring device for chemical plants is proposed. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an all-weather monitoring device for chemical plants, which aims to improve the problem that the sensing structure of existing monitoring devices is always exposed to the air, making them susceptible to severe weather and thus unable to ensure effective protection measures.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A 24 / 7 monitoring device for a chemical plant includes a stainless steel housing. Baffles are provided on both sides of the top of the stainless steel housing. Movable rods are rotatably connected to both sides of each baffle. The bottom ends of the movable rods are rotatably connected to the sidewalls of the stainless steel housing. Gears are fixedly connected to the bottom of two of the movable rods away from the stainless steel housing. A drive assembly is provided between the two gears. One baffle has a receiving cavity inside, and a roller is rotatably connected inside the receiving cavity. A covering cloth is wound around the outside of the roller. The covering cloth is fixedly connected to the side of the other baffle near the receiving cavity. A spring is sleeved between the outside of the roller and the inner wall of the receiving cavity. Multiple sensors are installed inside the stainless steel housing.

[0007] Through the above technical solution, the drive component can drive two gears to rotate synchronously in opposite directions, which in turn causes the movable rod to rotate and drive the baffle plate connected to its top to unfold, thereby ensuring that the sensor inside the stainless steel shell can be exposed for all-weather monitoring of the chemical plant environment. As the two baffle plates unfold, one of the baffle plates will pull the cover cloth wrapped around the outside of the roll and open from the inside of the receiving cavity, thereby blocking the gap after the two baffle plates are unfolded, preventing sunlight or rain and snow from affecting the sensor.

[0008] Furthermore, the covering cloth is located inside the receiving cavity, and the covering cloth is positioned above the sensor;

[0009] With the above technical solution, when the device is working to unfold the cover plate, the cover cloth is wound around the roller and stored inside the receiving cavity. At the same time, after unfolding the cover plate, the cover cloth can be opened to cover the top of the sensor.

[0010] Furthermore, one end of the spring is fixedly connected to the outer wall of the spool, and the other end of the spring is fixedly connected to the inner wall of the receiving cavity;

[0011] With the above technical solution, when the baffle is unfolded, the covering cloth will be pulled by one of the baffles and released from the outside of the roller. At the same time, the rotation of the roller will tighten the spring. When the device is not in use or is turned off, the two baffles will return to their original positions and cover the top of the stainless steel shell. The tightened spring will drive the roller to rotate, and then rewind the released covering cloth back into the receiving cavity.

[0012] Furthermore, the drive assembly includes a mounting base, which is fixedly connected to the middle of the outer wall of the stainless steel housing. Electric push rods are fixedly connected to both sides of the mounting base, and a rack is fixedly connected to the output end of the electric push rod. The rack and the gear mesh with each other.

[0013] The above technical solution uses an electric push rod to drive a rack to move, thereby rotating a gear. The rotation of the gear unfolds two shields, revealing the sensor protected inside the stainless steel casing. At this point, the sensor can be activated to monitor the chemical plant around the clock.

[0014] Furthermore, a bracket is provided below the mounting base, and the side wall of the bracket is fixedly connected to the bottom of the outer side wall of the stainless steel housing;

[0015] Using the above technical solution, the device can be installed at a designated location in the chemical plant by matching the bolts and mounting holes on the bracket, and then monitoring work can be carried out.

[0016] Furthermore, a dust cover is slidably connected to the bottom of the rack, and the bottom of the dust cover is fixedly connected to the outer wall of the stainless steel outer shell;

[0017] The above technical solution uses a dust cover to support the rack, ensuring stable rack movement when the electric push rod drives the rack to rotate the gear, thereby ensuring stable operation of the device when it is opened and closed.

[0018] Furthermore, the top of the dust cover is provided with a movable groove, and the outer side of the movable rod is slidably connected inside the movable groove;

[0019] The above technical solution avoids affecting the movement of the movable rod by opening a movable slot at the top, and at the same time, it covers the transmission structure composed of gears and racks as much as possible to protect it.

[0020] Furthermore, the two aforementioned baffles abut against each other;

[0021] With the above technical solution, when the two baffles are closed on top of the stainless steel shell, the sensor will be completely sealed and protected inside the device.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, when the device is deployed for monitoring, the cover cloth stored inside the containment cavity will be opened as the shielding plate is opened, so that the cover cloth can effectively block the influence of direct sunlight and rain and snow on the sensor, ensuring that the device can operate stably and for a long time, and efficiently perform the work of all-weather monitoring of chemical plants.

[0024] 2. In this utility model, the rack is moved by starting the electric push rod. The movement of the rack causes the gear to rotate the movable rod, thereby controlling the opening and closing of the cover plate on the top of the stainless steel shell. When the device is stopped for maintenance or not in use, the sensor inside the device can be stored and sealed to prevent the sensor from being exposed to the air for a long time when not working, thus further extending the service life of the monitoring device. Attached Figure Description

[0025] Figure 1 This is a first-person perspective perspective view of an all-weather monitoring device for chemical plants proposed in this utility model.

[0026] Figure 2 This is a second-view perspective perspective view of an all-weather monitoring device for chemical plants proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the sensor structure of an all-weather monitoring device for a chemical plant proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the electric push rod structure of an all-weather monitoring device for chemical plants proposed in this utility model;

[0029] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0030] Figure 6 This is a schematic diagram of the cover cloth structure of an all-weather monitoring device for a chemical plant proposed in this utility model;

[0031] Figure 7 for Figure 6 Enlarged view of section B in the middle.

[0032] Legend:

[0033] 1. Stainless steel housing; 2. Baffle plate; 3. Movable rod; 4. Gear; 5. Mounting base; 6. Electric push rod; 7. Rack; 8. Dust cover; 9. Movable groove; 10. Sensor; 11. Bracket; 12. Receiving cavity; 13. Reel; 14. Covering cloth; 15. Spring. Detailed Implementation

[0034] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides an embodiment of an all-weather monitoring device for chemical plants, comprising a stainless steel casing 1. The stainless steel casing 1 is made of stainless steel and serves primarily to protect and house the monitoring equipment. Baffles 2 are provided on both sides of the top of the stainless steel casing 1. The baffles 2 are made of the same material as the stainless steel casing 1 and are used to protect the top of the device, ensuring protection of the internal sensing and monitoring elements when the device is not running or is shut down. Movable rods 3 are rotatably connected to both sides of the baffles 2. The bottom ends of the movable rods 3 are rotatably connected to the side walls of the stainless steel casing 1. Four sets of movable rods 3 connect the baffles 2 and the stainless steel casing 1. When the movable rods 3 rotate, the two top baffles 2 can be simultaneously unfolded to the sides, exposing the internal sensing elements for real-time monitoring of temperature, gas, humidity, and pressure in the chemical plant, thereby identifying the potential for leaks.

[0036] Reference Figures 4-7Two movable rods 3 are fixedly connected to gears 4 on the side of their bottom furthest from the stainless steel outer shell 1. A drive assembly is provided between the two gears 4, which can synchronously drive the two gears 4 to rotate. In turn, the rotation of the gears 4 drives the movable rods 3 connected to them to rotate synchronously. The rotation of the movable rods 3 unfolds the cover plate 2 covering the top of the stainless steel outer shell 1 to both sides. One of the cover plates 2 has a receiving cavity 12 inside, and a roller 13 is rotatably connected inside the receiving cavity 12. A covering cloth 14 is wrapped around the outside of the roller 13. The covering cloth 14 is fixedly connected to the side of the other cover plate 2 near the receiving cavity 12. When both cover plates 2 are opened, the cover plate 2 fixedly connected to the covering cloth 14 will pull it out from the inside of the receiving cavity 12. During the process, the covering cloth 14 will be released from the outside of the roller 13. At the same time, the roller 13 will also rotate synchronously to help release and open the covering cloth 14, which will then cover the top of the stainless steel outer shell 1. A spring 15 is sleeved between the outer side of the roller 13 and the inner wall of the receiving cavity 12. When the baffle 2 is unfolded, the roller 13 will rotate to release and open the covering cloth 14, and at the same time drive the spring 15 to rewind. When the two baffles 2 close up again to cover the top of the stainless steel shell 1, the roller 13 can be driven by the force generated by the rebound of the spring 15, so that it rotates in the opposite direction to rewind and recycle the released covering cloth 14.

[0037] Reference Figure 3 and Figure 4 The stainless steel housing 1 houses multiple sensors 10. When the device is stopped or not in use, the drive assembly covers the top of the stainless steel housing 1 with shielding plates 2, providing comprehensive protection for the sensors 10 and preventing them from being affected by corrosion and dust. Simultaneously, when the shielding plates 2 are unfolded, the sensors 10 are exposed from inside the device, enabling real-time monitoring of the chemical plant environment. Furthermore, the unfolded top cover 14 further mitigates the effects of direct sunlight and rain / snow on the sensors 10. The two shielding plates 2 abut against each other; when both shielding plates 2 cover and adhere to the top of the stainless steel housing 1, the top of the device is closed, protecting the sensors 10 that are not in operation or are stopped.

[0038] Reference Figure 3 , Figure 4 , Figure 6 and Figure 7The cover cloth 14 is located inside the receiving cavity 12 and is positioned above the sensor 10. The receiving cavity 12 can accommodate the cover cloth 14 wound around the outside of the roller 13, ensuring that the cover cloth 14 is not affected when the device is closed. At the same time, the unfolded cover cloth 14 can provide effective protection for the sensor 10 below, preventing rain, snow, or sunlight from affecting the sensor 10. One end of the spring 15 is fixedly connected to the outer wall of the roller 13, and the other end is fixedly connected to the inner wall of the receiving cavity 12. Through the cooperation of the spring 15 and the roller 13, when the cover cloth 14 is released, the roller 13 can simultaneously tighten the spring 15. When the device switches to the closed state, the tightened spring 15 drives the roller 13 to rotate in the opposite direction, thereby rewinding the released cover cloth 14 back to the outside of the roller 13.

[0039] Reference Figures 2-5 The drive assembly includes a mounting base 5, which is fixedly connected to the middle of the outer wall of the stainless steel housing 1. Electric push rods 6 are fixedly connected to both sides of the mounting base 5. A rack 7 is fixedly connected to the output end of the electric push rod 6, and the rack 7 meshes with a gear 4. When the device needs to be deployed for leak monitoring in a chemical plant, the electric push rod 6 is activated to move the rack 7, which in turn drives the gear 4 to rotate. The gear 4 then drives the movable rod 3 to rotate synchronously. Driven by the movable rod 3, the two baffles 2 on the top of the stainless steel housing 1 are tilted upwards and outwards, causing the bottom of the baffles 2 to detach from the top of the stainless steel housing 1, thus exposing the sensors 10 installed inside the stainless steel housing 1. At this point, the sensors 10 can be activated to monitor the chemical plant environment in real time. The monitoring terminal, composed of multiple sensors 10, collects environmental parameters in real time. The gas sensor detects the concentration of toxic and harmful gases through electrochemical reactions, the temperature sensor measures the ambient temperature through resistance changes, and the pressure sensor monitors pressure fluctuations through the piezoresistive effect. The collected data is transmitted to the central control platform via a LoRa module. The platform performs data fusion and risk assessment using algorithms and displays the results in real time on the display terminal. The central control platform includes a data receiver, a data processing server, and a display terminal. The data receiver connects to the server via an RJ45 interface.

[0040] Reference Figure 2 A bracket 11 is located below the mounting base 5, and the side wall of the bracket 11 is fixedly connected to the bottom of the outer side wall of the stainless steel housing 1. The bracket 11 has an aluminum alloy structure, which provides high-strength support for the installation of the device. By using expansion bolts and corresponding holes on the bracket 11, the device can be installed at a designated location in the chemical plant for monitoring.

[0041] Reference Figure 2 , Figure 4 and Figure 5A dust cover 8 is slidably connected to the bottom of the rack 7, and the bottom of the dust cover 8 is fixedly connected to the outer wall of the stainless steel housing 1. The dust cover 8 supports the bottom of the rack 7, allowing the rack 7 to remain stable when driven by the electric push rod 6, thereby driving the gear 4 to rotate stably and switching the device between open and closed states. The top of the dust cover 8 has a movable groove 9, and the outer side of the movable rod 3 is slidably connected inside the movable groove 9. At the same time, in order to further ensure the stability of the transmission structure composed of the gear 4 and the rack 7, the dust cover 8 adopts a wrap-around structure design, accommodating the gear 4 and the rack 7 inside, while the movable groove 9 on the top ensures that the movable rod 3 does not cause excessive impact when rotating.

[0042] Working principle: The device is installed at the designated location in the chemical plant using expansion bolts and bracket 11. During all-weather monitoring, the electric push rod 6 is activated to move the rack 7. The movement of the rack 7 drives the gear 4 that meshes with it to rotate. When the two gears 4 rotate synchronously in opposite directions, the two sets of movable rods 3 on the left and right will rotate upward in opposite directions. This will cause the two shielding plates 2 covering the top of the stainless steel shell 1 to expand obliquely upward to both sides, allowing the multiple sensors 10 installed inside the stainless steel shell 1 to be directly exposed to the environment of the chemical plant. The sensors 10 can then be used to monitor the leakage situation of the chemical plant.

[0043] Simultaneously, as the two shielding plates 2 slowly unfold, one of the shielding plates 2 pulls the covering cloth 14 outward, causing the covering cloth 14 to be slowly released from the outside of the roller 13 and detached from the inside of the receiving cavity 12. At the same time, the roller 13 rotates during the release of the covering cloth 14, causing the side spring 15 to be wound up, so that the spring 15 is tightened and generates elastic force. When the electric push rod 6 is driven to its maximum stroke, the two shielding plates 2 are fully unfolded, and the covering cloth 14 is also pulled out of the receiving cavity 12, covering the sensor 10, thereby preventing direct sunlight and rain and snow from affecting the sensor 10. When the device is in a stopped or closed state, the electric push rod 6 drives the rack 7 to move in the opposite direction to the maximum stroke. At this time, the two baffles 2 move closer together and cover the top of the stainless steel shell 1, ensuring that the gap at the top of the stainless steel shell 1 is closed, thereby protecting the monitoring terminal sensor 10 inside the device. As the two baffles 2 move closer together, the released cover cloth 14 is rewound to the outside of the roll 13 by the reverse rotation of the roll 13 under the action of the spring spring 15.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A 24 / 7 monitoring device for a chemical plant, comprising a stainless steel casing (1), characterized in that: The stainless steel shell (1) is provided with baffles (2) on both sides of the top. Movable rods (3) are rotatably connected to both sides of the baffles (2). The bottom of the movable rods (3) is rotatably connected to the side wall of the stainless steel shell (1). Gears (4) are fixedly connected to the bottom of the two movable rods (3) away from the stainless steel shell (1). A drive assembly is provided between the two gears (4). A receiving cavity (12) is provided inside one of the baffles (2). A roller (13) is rotatably connected inside the receiving cavity (12). A covering cloth (14) is wrapped around the outside of the roller (13). The covering cloth (14) is fixedly connected to the side of the other baffle (2) near the receiving cavity (12). A spring spring (15) is sleeved between the outside of the roller (13) and the inner wall of the receiving cavity (12). Multiple sensors (10) are installed inside the stainless steel shell (1).

2. The all-weather monitoring device for a chemical plant according to claim 1, characterized in that: The covering cloth (14) is located inside the receiving cavity (12) and is positioned above the sensor (10).

3. The all-weather monitoring device for a chemical plant according to claim 1, characterized in that: One end of the spring (15) is fixedly connected to the outer wall of the spool (13), and the other end of the spring (15) is fixedly connected to the inner wall of the receiving cavity (12).

4. The all-weather monitoring device for a chemical plant according to claim 1, characterized in that: The drive assembly includes a mounting base (5), which is fixedly connected to the middle of the outer wall of the stainless steel housing (1). Electric push rods (6) are fixedly connected to both sides of the mounting base (5). A rack (7) is fixedly connected to the output end of the electric push rod (6), and the rack (7) meshes with the gear (4).

5. The all-weather monitoring device for a chemical plant according to claim 4, characterized in that: A bracket (11) is provided below the mounting base (5), and the side wall of the bracket (11) is fixedly connected to the bottom of the outer side wall of the stainless steel shell (1).

6. The all-weather monitoring device for chemical plants according to claim 4, characterized in that: The bottom of the rack (7) is slidably connected to a dust cover (8), and the bottom of the dust cover (8) is fixedly connected to the outer wall of the stainless steel shell (1).

7. The all-weather monitoring device for a chemical plant according to claim 6, characterized by: The dust cover (8) has a movable groove (9) on its top, and the movable rod (3) is slidably connected to the inside of the movable groove (9) on its outer side.

8. The all-weather monitoring device for a chemical plant according to claim 1, characterized by: The two shields (2) abut against each other.